MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://queure.ru/uplcv?utm_term=super+mario+mod+apk+offline PDF link annotation
- http://finalstage.biz/js/upload/files/tegelodixeboba.pdfIn PDF document text
- http://h-p-n.fr/catalogue_dynamique/file/xaxebogekiku.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/16142d70d5de3c---87556741903.pdfIn PDF document text
- http://samuiluxurytravel.com/Uploads/file/tuxarunoromiraju.pdfIn PDF document text
- http://sanchariglobal.com/userfiles/file/repelujigunosomof.pdfIn PDF document text
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/de7cba6256ef72480c9740dacea7ae76/78230028600.pdfIn PDF document text
- https://farmaciasacoor.com/site/upload/file/doviziko.pdfIn PDF document text
- https://fier-forjat-valimet.ro/ckfinder/userfiles/files/pugarararidixeva.pdfIn PDF document text
- http://bestofbeer.ru/ckfinder/userfiles/files/50511009734.pdfIn PDF document text
- http://ramenhajimetustin.com/uploads/files/kitusabo.pdfIn PDF document text
- http://atenngo.com/admin/sites/site/documents/fenosika.pdfIn PDF document text
- https://unitytradefze.com/ckfinder/userfiles/files/50700218712.pdfIn PDF document text
- http://yoshitomo-kokubunji.com/jcfiles/file/1518722023.pdfIn PDF document text
- http://uspeh-kursk.ru/ckfinder/userfiles/files/61988638161.pdfIn PDF document text
- http://dbexpertise.fr/catalogue_dynamique/file/58717557053.pdfIn PDF document text
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/eu3atuhlqspfuafe73t4b8ptf6/2511743167.pdfIn PDF document text
- http://konditsionery-zheleznodorozhnyi.ru/upload_picture/file/livase.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/148d11adcb62d1634191c4cbaf95d8c9/60366099255.pdfIn PDF document text
- http://peaceinsrilanka.lk/userfiles/file/99499514400.pdfIn PDF document text
- http://www.bufolari.com/public/immagini/file/72704097356.pdfIn PDF document text
- http://tabbanbros.com/admin/fckeditor/editor/filemanager/connectors/upload/file/rimimitafo.pdfIn PDF document text
- http://pkynfe.net/userfiles/file/jamanivigozosi.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ce16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE16 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e628.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE628 | 17116 bytes |
SHA-256: ebb0b01b22b765a87739e9cb069d5557ba991c0b5818578c96fa325727fa75c9 |
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font_02_sfnt_off000112b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112B3 | 10660 bytes |
SHA-256: 4061df667f6a64315b03593d885b4bb2ec278db881e77decc20ca7d82a8ca73c |
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